Veneruso Anthony F.
Weisbeck Denis
Wernig Marcus
Wharton Russell P.
White Matthew Robert
Wiecek Boguslaw
Witte Johan
XACT Downhole Telemetry Inc.
Yamamoto Keijiro
Yamazaki Nobuyoshi
Yee Jerry
Zhuravlev Yuri
Zierolf Joseph A
Zierolf Joseph A.